Oracle Indexing Techniques A Comprehensive Guide
Oracle索引是数据库性能优化的重要手段。本书是关于索引类型和索引设计的经典参考，详细讲述了各种索引的应用和实现方式，是每位开发者必备的资源。
Oracle
6
2024-11-03
Comprehensive Guide to JPA Annotations in Oracle
JPA注解参考_Oracle.chm通过它可以全面的掌握JPA编程。
Oracle
7
2024-11-04
Professional Guide to Hadoop for Advanced Developers
The professional's one-stop guide to this open-source, Java-based big data framework, Professional Hadoop is the complete reference and resource for experienced developers aiming to implement Apache Hadoop in real-world settings. Written by a team of certified Hadoop developers, committers, and Summ
Hadoop
4
2024-10-30
PRIMARY KEY Constraint in Oracle A Comprehensive Guide
PRIMARY KEY约束为表创建一个主键。每个表只能创建一个主键。PRIMARY KEY约束是表中的对行唯一标识的一个列或者列组合，该约束强制列或列组合的唯一性，并且确保作为主键一部分的列不能包含空值。既可以定义在表级也可以定义在列级：
CREATE TABLE departments (
department_id NUMBER(4),
department_name VARCHAR2(30) CONSTRAINT dept_name_nn NOT NULL,
manager_id NUMBER(6),
location_id NUMBER(4),
Oracle
7
2024-11-01
Oracle Applications Developers Guide R11Overview
《Oracle Applications Developers Guide R11》是Oracle官方发布的开发文档，内容非常详细，涵盖了开发者所需的各项信息与指导。
Oracle
4
2024-11-03
Mastering Hadoop Comprehensive Guide
Learning Hadoop.pdf ####
This document, Learning Hadoop.pdf, provides a deep dive into Hadoop's core components and frameworks. Key sections cover Hadoop architecture, MapReduce processes, HDFS configurations, and best practices for managing big data with Hadoop. Each chapter offers insights into bu
Hadoop
18
2024-10-25
Comprehensive SQL Command Guide
数据查询语言（Data Query Language, DQL）
SELECT
SELECT * FROM table_name: 用于从指定表中选取所有列。
WHERE 子句：用于过滤结果集，只返回满足条件的记录。
示例：
SELECT * FROM stock_information WHERE stockid = 'nid' AND stockname = 'str_name'
使用 LIKE 进行模糊匹配：stockname LIKE '%findthis%' 表示匹配包含“findthis”的字符串。
特殊的 LIKE 表达式：stockname LIKE '[a-zA-Z]%'
MySQL
8
2024-10-27
Comprehensive Guide to Oracle 10g Documentation
The Oracle 10g documentation provides an in-depth exploration of the system, offering extensive resources and detailed instructions. This documentation is highly comprehensive, covering Oracle 10g architecture, installation, configuration, performance tuning, and troubleshooting. With its complete a
Oracle
8
2024-11-05
Oracle 11g Functions Comprehensive Guide
Oracle 11g provides a wide array of built-in functions for database manipulation. This guide covers the most commonly used Oracle 11g functions, with detailed usage and examples to enhance your database operations. Functions such as TO_DATE, NVL, and SYSDATE are essential for efficient data retrieva
Oracle
7
2024-11-06
